KBr Rectangles

  • KBr 25x25x4mm Rectangle945-5126
  • KBr 30x15x4mm Rectangle.945-5226
  • KBr 30x15x4mm Drilled Rectangle945-5227
  • KBr 38x19x4mm Rectangle945-5326
  • KBr 38x19x4mm Drilled Rectangle945-5328


Potassium bromide (KBr) is the most commonly used material for commercial IR spectroscopy. It provides full coverage of the mid-IR spectral region and is a good refractive index match with most organic samples. Disadvantages of KBr include its water solubility and that it is prone to fogging.

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